Ninja Gaiden Sigma

Ninja Gaiden Sigma, stylized as Ninja Gaiden Σ, is an action-adventure game developed by Team Ninja for the PlayStation 3.

It is an enhanced port of Ninja Gaiden, originally released on Xbox in 2004, and is the second expansion to the game after Ninja Gaiden Black.

Sony's PlayStation Vita (2011) was a technically impressive handheld that never found the commercial audience it deserved, leading to a comparatively small but well-regarded library. Because Sony discontinued cartridge production relatively early and shut down the PSN storefront for new purchases, physical Vita games — some produced in very limited numbers by niche publishers — have become a genuinely scarce, actively appreciating collecting niche.

Gamevaro tracks Ninja Gaiden Sigma for PlayStation Vita with separate market values for loose, complete-in-box (CIB) and factory-sealed copies, sourced from real eBay sales. Prices also vary by region — PAL, NTSC-U and NTSC-J releases of the same game often sell for different amounts due to print run sizes and regional collector demand.

Adding Ninja Gaiden Sigma to a Gamevaro collection takes seconds — search by title or scan the box barcode, and the app fills in cover art, release details and current pricing automatically. This PS VITA release dates back to 2007.

Only a handful of market sales have been tracked for Ninja Gaiden Sigma, suggesting it doesn't trade hands very often — a sign of relative scarcity compared to more common PlayStation Vita titles.

Complete-in-box (CIB) copies typically command a premium over loose cartridges/discs because the original box and manual are more fragile and get discarded or damaged over time — fewer complete sets survive.

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